should thwack
Verbo regular: thwack - thwacked- thwacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd thwack
you'd thwack
he'd thwack
we'd thwack
you'd thwack
they'd thwack 	I'd be thwacking
you'd be thwacking
he'd be thwacking
we'd be thwacking
you'd be thwacking
they'd be thwacking	I should've thwacked
you should've thwacked
he should've thwacked
we should've thwacked
you should've thwacked
they should've thwacked	I should've been thwacking
you should've been thwacking
he should've been thwacking
we should've been thwacking
you should've been thwacking
they should've been thwacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't thwack
you shouldn't thwack
he shouldn't thwack
we shouldn't thwack
you shouldn't thwack
they shouldn't thwack 	I shouldn't be thwacking
you shouldn't be thwacking
he shouldn't be thwacking
we shouldn't be thwacking
you shouldn't be thwacking
they shouldn't be thwacking	I shouldn't have thwacked
you shouldn't have thwacked
he shouldn't have thwacked
we shouldn't have thwacked
you shouldn't have thwacked
they shouldn't have thwacked	I shouldn't have been thwacking
you shouldn't have been thwacking
he shouldn't have been thwacking
we shouldn't have been thwacking
you shouldn't have been thwacking
they shouldn't have been thwacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I thwack?
should you thwack?
should he thwack?
should we thwack?
should you thwack?
should they thwack? 	should I be thwacking?
should you be thwacking?
should he be thwacking?
should we be thwacking?
should you be thwacking?
should they be thwacking? 	should I have thwacked?
should you have thwacked?
should he have thwacked?
should we have thwacked?
should you have thwacked?
should they have thwacked? 	should I have been thwacking?
should you have been thwacking?
should he have been thwacking?
should we have been thwacking?
should you have been thwacking?
should they have been thwacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I thwack?
shouldn't you thwack?
shouldn't he thwack?
shouldn't we thwack?
shouldn't you thwack?
shouldn't they thwack? 	shouldn't I be thwacking?
shouldn't you be thwacking?
shouldn't he be thwacking?
shouldn't we be thwacking?
shouldn't you be thwacking?
shouldn't they be thwacking? 	shouldn't I have thwacked?
shouldn't you have thwacked?
shouldn't he have thwacked?
shouldn't we have thwacked?
shouldn't you have thwacked?
shouldn't they have thwacked? 	shouldn't I have been thwacking?
shouldn't you have been thwacking?
shouldn't he have been thwacking?
shouldn't we have been thwacking?
shouldn't you have been thwacking?
shouldn't they have been thwacking?